diff --git a/glfw/cocoa_init.m b/glfw/cocoa_init.m
index a9eda1eef..d181b18e8 100644
--- a/glfw/cocoa_init.m
+++ b/glfw/cocoa_init.m
@@ -451,7 +451,7 @@ void _glfwPlatformTerminate(void)
 
 const char* _glfwPlatformGetVersionString(void)
 {
-    return _GLFW_VERSION_NUMBER " Cocoa NSGL"
+    return _GLFW_VERSION_NUMBER " Cocoa NSGL EGL OSMesa"
 #if defined(_GLFW_BUILD_DLL)
         " dynamic"
 #endif
diff --git a/glfw/wl_init.c b/glfw/wl_init.c
index 71023578e..74071e39c 100644
--- a/glfw/wl_init.c
+++ b/glfw/wl_init.c
@@ -836,7 +836,7 @@ void _glfwPlatformTerminate(void)
 
 const char* _glfwPlatformGetVersionString(void)
 {
-    return _GLFW_VERSION_NUMBER " Wayland EGL"
+    return _GLFW_VERSION_NUMBER " Wayland EGL OSMesa"
 #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
         " clock_gettime"
 #else
diff --git a/glfw/x11_init.c b/glfw/x11_init.c
index a879dae07..6c14280a9 100644
--- a/glfw/x11_init.c
+++ b/glfw/x11_init.c
@@ -759,7 +759,7 @@ void _glfwPlatformTerminate(void)
 
 const char* _glfwPlatformGetVersionString(void)
 {
-    return _GLFW_VERSION_NUMBER " X11 GLX EGL"
+    return _GLFW_VERSION_NUMBER " X11 GLX EGL OSMesa"
 #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
         " clock_gettime"
 #else